diff options
Diffstat (limited to 'arch/mips/momentum/ocelot_c/prom.c')
-rw-r--r-- | arch/mips/momentum/ocelot_c/prom.c | 60 |
1 files changed, 1 insertions, 59 deletions
diff --git a/arch/mips/momentum/ocelot_c/prom.c b/arch/mips/momentum/ocelot_c/prom.c index 4c50a147f429..d0b77e101d74 100644 --- a/arch/mips/momentum/ocelot_c/prom.c +++ b/arch/mips/momentum/ocelot_c/prom.c | |||
@@ -29,11 +29,7 @@ | |||
29 | struct callvectors* debug_vectors; | 29 | struct callvectors* debug_vectors; |
30 | 30 | ||
31 | extern unsigned long marvell_base; | 31 | extern unsigned long marvell_base; |
32 | extern unsigned long cpu_clock; | 32 | extern unsigned int cpu_clock; |
33 | |||
34 | #ifdef CONFIG_MV643XX_ETH | ||
35 | extern unsigned char prom_mac_addr_base[6]; | ||
36 | #endif | ||
37 | 33 | ||
38 | const char *get_system_type(void) | 34 | const char *get_system_type(void) |
39 | { | 35 | { |
@@ -44,55 +40,6 @@ const char *get_system_type(void) | |||
44 | #endif | 40 | #endif |
45 | } | 41 | } |
46 | 42 | ||
47 | #ifdef CONFIG_MV643XX_ETH | ||
48 | static void burn_clocks(void) | ||
49 | { | ||
50 | int i; | ||
51 | |||
52 | /* this loop should burn at least 1us -- this should be plenty */ | ||
53 | for (i = 0; i < 0x10000; i++) | ||
54 | ; | ||
55 | } | ||
56 | |||
57 | static u8 exchange_bit(u8 val, u8 cs) | ||
58 | { | ||
59 | /* place the data */ | ||
60 | OCELOT_FPGA_WRITE((val << 2) | cs, EEPROM_MODE); | ||
61 | burn_clocks(); | ||
62 | |||
63 | /* turn the clock on */ | ||
64 | OCELOT_FPGA_WRITE((val << 2) | cs | 0x2, EEPROM_MODE); | ||
65 | burn_clocks(); | ||
66 | |||
67 | /* turn the clock off and read-strobe */ | ||
68 | OCELOT_FPGA_WRITE((val << 2) | cs | 0x10, EEPROM_MODE); | ||
69 | |||
70 | /* return the data */ | ||
71 | return ((OCELOT_FPGA_READ(EEPROM_MODE) >> 3) & 0x1); | ||
72 | } | ||
73 | |||
74 | void get_mac(char dest[6]) | ||
75 | { | ||
76 | u8 read_opcode[12] = {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | ||
77 | int i,j; | ||
78 | |||
79 | for (i = 0; i < 12; i++) | ||
80 | exchange_bit(read_opcode[i], 1); | ||
81 | |||
82 | for (j = 0; j < 6; j++) { | ||
83 | dest[j] = 0; | ||
84 | for (i = 0; i < 8; i++) { | ||
85 | dest[j] <<= 1; | ||
86 | dest[j] |= exchange_bit(0, 1); | ||
87 | } | ||
88 | } | ||
89 | |||
90 | /* turn off CS */ | ||
91 | exchange_bit(0,0); | ||
92 | } | ||
93 | #endif | ||
94 | |||
95 | |||
96 | #ifdef CONFIG_64BIT | 43 | #ifdef CONFIG_64BIT |
97 | 44 | ||
98 | unsigned long signext(unsigned long addr) | 45 | unsigned long signext(unsigned long addr) |
@@ -226,11 +173,6 @@ void __init prom_init(void) | |||
226 | mips_machgroup = MACH_GROUP_MOMENCO; | 173 | mips_machgroup = MACH_GROUP_MOMENCO; |
227 | mips_machtype = MACH_MOMENCO_OCELOT_C; | 174 | mips_machtype = MACH_MOMENCO_OCELOT_C; |
228 | 175 | ||
229 | #ifdef CONFIG_MV643XX_ETH | ||
230 | /* get the base MAC address for on-board ethernet ports */ | ||
231 | get_mac(prom_mac_addr_base); | ||
232 | #endif | ||
233 | |||
234 | #ifndef CONFIG_64BIT | 176 | #ifndef CONFIG_64BIT |
235 | debug_vectors->printf("Booting Linux kernel...\n"); | 177 | debug_vectors->printf("Booting Linux kernel...\n"); |
236 | #endif | 178 | #endif |